GHSA-rhh9-cm65-3w54 · Severity: high · Ecosystem: maven — Improper Authentication in Apache Hadoop
In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.
Conclusion & alert: CVE-2018-11765 is rated High Risk (66/100): CVSS High severity, with high exploitation likelihood (EPSS 5.15%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.00% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.15% | 5.15% | +4.00% |
| 2 | 2025-06-19 | 0.85% | 1.15% | +0.30% |
| 3 | 2025-03-31 | — | 0.85% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-rhh9-cm65-3w54 · Severity: high · Ecosystem: maven — Improper Authentication in Apache Hadoop
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-11765 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | hadoop | >= 2.8.0, <= 2.8.5 | cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* |
| apache | hadoop | >= 2.9.0, <= 2.9.2 | cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* |
| apache | hadoop | 3.0.0 | cpe:2.3:a:apache:hadoop:3.0.0:-:*:*:*:*:*:* |
| apache | hadoop | 3.0.0 | cpe:2.3:a:apache:hadoop:3.0.0:alpha2:*:*:*:*:*:* |